Paper/Board
Web forming – Flat
- 6 Total hours
- 14 Courses
- Available languages : French, English & Spanish
- Compatible with : computer, tablet & telephone
- Internet access requested
- Unlimited access for a year
- Log in informations sent within 48hours
- To control the operation of all equipments in the sheet forming section from the headbox to the press section inlet
- To control the wires and adjust their tension and conditioning
- To manage the parameters of dilution, fiber orientation, sheet formation and dewatering according to the incoming pulp quality, machine operation and paper produced
- Operators (from new to experimented),technicians and new comers engineers working in Paper/Board Industries
- Technicians and new comers engineers working in related domain of Paper/Board Industries
Air cushion headbox : The equipements (30mins)
- Stock arrival and distribution
- Headbox equipments
- The lips
Air cushion headbox : The settings (30mins)
- Headbox dilution
- Settings and control loops
Hydraulic headbox : the equipments (30mins)
- Stock arrival and distribution
- Headbox equipments
- The lips
Hydraulic headbox : The settings (30mins)
- Headbox dilution
- Settings and control loops
Foudrinier machines (15mins)
- The different equipments of the machine
- The location of the equipments on the machine
- The role of the equipments
Concepts related to sheet forming (50mins)
- The different concepts related to the machine process
- Dewatering
- Formation
- Retention
- Fibers orientation
The breast roll (20mins)
- Equipment description and role
- The shaking of the breast roll
- Breast roll oscillation frequency / paper quality
Free dewatering (15mins)
- The equipments
- The working principle of the equipments
- The settings
Dewatering under vacuum (40mins)
- The equipments
- The working principle of the equipments
- The settings
Vacuum principle (10mins)
- Notion of vacuum principle
- Equipement to create vacuum
- Vacuum management on the machine
Formation Fabric (15mins)
- The different types of forming fabrics
- Characteristics of forming fabrics
The good functioning of the forming fabric (10mins)
- Fabric guide roll
- Fabric tension
The showers on the forming fabric (20mins)
- Conditionning showers
- Trim shower
- The trim
Process impact (45mins)
- Impact of the forming section on paper quality
- Impact of the process on forming section
- Settings and controls